Installing A Cpu - HP Z800 Workstation Maintenance And Service Manual

Installing a CPU

NOTE:
If installing a second CPU, it must be of the same type as the first CPU.
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178 Chapter 5 Replacing components
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HP recommends that you do not swap processors (CPUs) from one system board to another.
Disconnect power from the workstation (see
Remove the side access panel (see
Remove the airflow guide (see
Remove the memory fan assembly (see
Remove the CPU heatsink (see
Remove the CPU (see Removing a CPU on page
Using extreme care, fully raise the CPU socket lever and cover.
CAUTION: The CPU socket contacts are delicate. To avoid bending the contacts, use extreme
care when installing the CPU in the socket.
If you are adding a second CPU to a single-processor system, remove the plastic cover from the
second CPU socket.
Align the notches in the CPU base with the tabs on the socket as shown in the following figure.
Seat the CPU into the socket. Ensure that the underside of the CPU is level with the top of the CPU
socket.
Close the CPU cover plate by lightly pressing down on the CPU cover plate while closing the socket
lever.
Replace the CPU heatsink (see
Reinstall all removed components and reconnect any cables that have been disconnected.
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Predisassembly procedures on page
Removing the side access panel on page
Removing the airflow guide on page
Removing the memory fans on page
Removing the CPU heatsink on page
177).
Installing the CPU heatsink on page 175
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for installation details.)
ENWW